The 2 Minute Update

Does decreasing smoking frequency decrease mort...

We know that quitting smoking decreases mortality. But what if someone decreases frequency, transitioning from smoking daily to smoking less frequently than every day? Does that save lives?  

Does decreasing smoking frequency decrease mort...

We know that quitting smoking decreases mortality. But what if someone decreases frequency, transitioning from smoking daily to smoking less frequently than every day? Does that save lives?